School me on supplements
Now that I've started doing the Power 90 workout program, I'm beginning to wonder if I should be taking supplements. I know in the other workout threads some of you take them. Do you find they help? Anyone experience side effects? Just really looking for opinions on whether they're really necessary.
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My neighbor came by my house this morning at 2AM, pounding on the door. Good thing I was still up playing the drums. 
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